Tempor
发表于 2025-3-23 09:59:30
https://doi.org/10.1385/1592598226ription of the application domain given with a subset of the french natural language. The tool starts, in a first step with an interpretation of natural language descriptions leading to a descriptive network which corresponds to a first version of the conceptual schema. Then in the second step, OICS
内疚
发表于 2025-3-23 16:11:59
Antonio Giordano,Gaetano Romanollection of levels. In such a system, transaction management is distributed among the levels. This paper presents the fundamental theory of multi-level concurrency control and recovery. A model for the computation of multi-level transactions is introduced by generalizing from the well known single-l
经典
发表于 2025-3-23 20:41:19
Henry Hoff,Hong Zhang,Christian Selles to data protection, independence, and isolation. In this paper we first discuss some issues concerning Distributed Database security and then the design of distributed views providing security features. The following issues concerning views are discussed: represention, change, authorization, and
chronology
发表于 2025-3-23 23:28:50
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水汽
发表于 2025-3-24 04:20:36
Cell Cycle Deregulation in Cancerguage of a relational database management system. IID extends the traditional roles of a data dictionary by enabling a user to view, manipulate, and verify semantic aspects of relational data. Our use of IID focuses on the interactive creation of simulation-specific databases from large "public" dat
violate
发表于 2025-3-24 07:49:27
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Chromatic
发表于 2025-3-24 10:57:42
Andrea Viale,Pier Giuseppe Peliccicteristics. Strong constraints on the design of a common model are exercised by the need to interface well with object models in programming languages, and the desirability of a smooth evolution from existing database technology..This paper briefly reviews some salient features of database and langu
insomnia
发表于 2025-3-24 16:05:00
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灯丝
发表于 2025-3-24 21:41:00
Cell Cycle Deregulation in Cancerhere have been many different suggestions as to how to implement a UR interface. Nested relations have been recently suggested as a way of extending the applicability of the classical relational model. In this paper we establish a strong connection between the UR model and nested relations. Thus, ne
软弱
发表于 2025-3-25 02:42:53
Cell Cycle Inhibitors in Cancer Therapyy search needs then at most one disk access. For very large files, trie size may however become prohibitive. We present an extension of the method, where the trie is split into subtries stored each in a page on the disk. Address computation requires the core for a single page. Two disk accesses may